@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

* {
    margin: 0; padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    border: none; outline: none;
    scroll-behavior: smooth;
}

:root {
    --bg: #0a0a0f;
    --bg2: #0f0f1a;
    --card: rgba(255,255,255,0.04);
    --border: rgba(255,255,255,0.08);
    --text: #e8eaf6;
    --muted: rgba(232,234,246,0.55);
    --purple: #7c3aed;
    --cyan: #06b6d4;
    --grad: linear-gradient(135deg, #7c3aed, #06b6d4);
    --glow: 0 0 40px rgba(124,58,237,0.35);
    --shadow: 0 8px 32px rgba(0,0,0,0.45);
    --r: 16px;
    --rl: 24px;
    --ease: cubic-bezier(0.25,0.8,0.25,1);
}

html { font-size: 62.5%; overflow-x: hidden; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* Noise */
body::before {
    content: '';
    position: fixed; inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none; z-index: 1; opacity: 0.35;
}

/* Particles */
#particles-bg {
    position: fixed; inset: 0;
    z-index: 0; pointer-events: none; overflow: hidden;
}
.particle {
    position: absolute; border-radius: 50%;
    animation: drift linear infinite; opacity: 0;
}
@keyframes drift {
    0%   { transform: translateY(100vh) scale(0); opacity: 0; }
    10%  { opacity: 1; }
    90%  { opacity: 0.5; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ── Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ══════════════════════
   HEADER
══════════════════════ */
.header {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 1.6rem 9%;
    background: rgba(10,10,15,0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    transition: all 0.4s var(--ease);
}
.header.sticky {
    background: rgba(10,10,15,0.92);
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.4rem;
    font-weight: 700;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.9rem 1.8rem;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text);
    backdrop-filter: blur(12px);
    transition: all 0.35s var(--ease);
}
.back-btn:hover {
    background: var(--purple);
    border-color: var(--purple);
    box-shadow: var(--glow);
    transform: translateX(-4px);
}

/* ══════════════════════
   HERO
══════════════════════ */
.hero {
    position: relative; z-index: 2;
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 14rem 9% 6rem;
    background: radial-gradient(ellipse at 50% 0%, rgba(124,58,237,0.15) 0%, transparent 65%);
}
.hero-inner { max-width: 72rem; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    background: rgba(124,58,237,0.12);
    border: 1px solid rgba(124,58,237,0.3);
    color: #a78bfa;
    font-size: 1.3rem;
    font-weight: 600;
    padding: 0.6rem 1.6rem;
    border-radius: 100px;
    margin-bottom: 2.4rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    animation: fadeDown 0.8s ease both;
}
.dot {
    width: 7px; height: 7px;
    background: #a78bfa; border-radius: 50%;
    animation: pulseDot 1.5s ease infinite;
}
@keyframes pulseDot {
    0%,100% { opacity:1; transform:scale(1); }
    50%     { opacity:.4; transform:scale(.7); }
}

.hero h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 7rem;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.05;
    animation: fadeUp 0.9s 0.1s ease both;
}
.grad {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-sub {
    font-size: 1.8rem;
    color: var(--muted);
    line-height: 1.75;
    margin-top: 1.8rem;
    max-width: 58rem;
    margin-left: auto; margin-right: auto;
    animation: fadeUp 0.9s 0.2s ease both;
}

/* ══════════════════════
   SERVICE CARDS
══════════════════════ */
.services-section {
    position: relative; z-index: 2;
    padding: 4rem 9% 7rem;
    background: var(--bg2);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.8rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card {
    position: relative;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--rl);
    padding: 4rem 3rem 3.6rem;
    backdrop-filter: blur(12px);
    transition: all 0.45s var(--ease);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Shimmer sweep */
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 60%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.04), transparent);
    transition: left 0.7s ease;
    pointer-events: none;
}
.service-card:hover::before { left: 140%; }

/* Gradient top border on hover */
.service-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--grad);
    opacity: 0;
    transition: opacity 0.4s;
}
.service-card:hover::after { opacity: 1; }

.service-card:hover {
    border-color: rgba(124,58,237,0.45);
    transform: translateY(-10px);
    box-shadow: var(--glow), var(--shadow);
}

/* Card number watermark */
.card-number {
    position: absolute;
    top: 2.4rem; right: 2.8rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 5rem;
    font-weight: 800;
    color: rgba(255,255,255,0.04);
    line-height: 1;
    user-select: none;
    transition: all 0.4s;
}
.service-card:hover .card-number { color: rgba(124,58,237,0.1); }

.icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 6.4rem; height: 6.4rem;
    background: rgba(124,58,237,0.1);
    border: 1px solid rgba(124,58,237,0.25);
    border-radius: 18px;
    margin-bottom: 2.4rem;
    transition: all 0.4s var(--ease);
    flex-shrink: 0;
}
.service-card:hover .icon-wrap {
    background: rgba(124,58,237,0.25);
    transform: rotate(-6deg) scale(1.12);
    box-shadow: 0 8px 24px rgba(124,58,237,0.4);
}
.icon-wrap i {
    font-size: 2.8rem;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 1.4rem;
    color: var(--text);
}

.service-card > p {
    font-size: 1.5rem;
    line-height: 1.8;
    color: var(--muted);
    margin-bottom: 2.4rem;
    flex-grow: 1;
}

/* Feature checklist */
.feature-list {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-bottom: 2.8rem;
}
.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.4rem;
    color: var(--muted);
    font-weight: 500;
}
.feature-item i {
    font-size: 1.2rem;
    color: #a78bfa;
    flex-shrink: 0;
    width: 1.8rem;
    text-align: center;
}

/* Tech chips */
.tech-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: auto;
}
.chip {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.3rem;
    background: rgba(124,58,237,0.1);
    border: 1px solid rgba(124,58,237,0.22);
    border-radius: 100px;
    font-size: 1.25rem;
    font-weight: 600;
    color: #c4b5fd;
    transition: all 0.3s var(--ease);
}
.chip:hover {
    background: rgba(124,58,237,0.25);
    transform: translateY(-2px);
}

/* ══════════════════════
   PROCESS
══════════════════════ */
.process-section {
    position: relative; z-index: 2;
    padding: 7rem 9%;
    background: var(--bg);
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 4.4rem;
    font-weight: 800;
    text-align: center;
    letter-spacing: -1px;
    margin-bottom: 6rem;
}
.section-title span {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1.2rem;
    max-width: 1100px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.step {
    flex: 1;
    min-width: 18rem;
    max-width: 22rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--rl);
    padding: 3.2rem 2.4rem;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.4s var(--ease);
    position: relative;
    overflow: hidden;
}
.step::before {
    content: '';
    position: absolute; inset: 0;
    background: var(--grad); opacity: 0;
    transition: opacity 0.4s;
}
.step:hover::before { opacity: 0.06; }
.step:hover {
    border-color: rgba(124,58,237,0.4);
    transform: translateY(-8px);
    box-shadow: var(--glow);
}
.step > * { position: relative; z-index: 1; }

.step-num {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: #a78bfa;
    background: rgba(124,58,237,0.1);
    border: 1px solid rgba(124,58,237,0.2);
    padding: 0.3rem 1rem;
    border-radius: 100px;
    display: inline-block;
    margin-bottom: 1.6rem;
    text-transform: uppercase;
}

.step-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 5.6rem; height: 5.6rem;
    background: rgba(124,58,237,0.1);
    border: 1px solid rgba(124,58,237,0.2);
    border-radius: 14px;
    margin-bottom: 1.8rem;
    transition: all 0.4s var(--ease);
}
.step:hover .step-icon {
    background: rgba(124,58,237,0.25);
    transform: rotate(-5deg) scale(1.1);
}
.step-icon i {
    font-size: 2.2rem;
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.step h4 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
}
.step p {
    font-size: 1.4rem;
    color: var(--muted);
    line-height: 1.7;
}

.step-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(124,58,237,0.4);
    font-size: 2rem;
    padding-top: 4rem;
    flex-shrink: 0;
}

/* ══════════════════════
   CTA
══════════════════════ */
.cta-section {
    position: relative; z-index: 2;
    padding: 7rem 9%;
    background: var(--bg2);
}
.cta-card {
    max-width: 780px;
    margin: 0 auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--rl);
    padding: 5.6rem 4.8rem;
    text-align: center;
    backdrop-filter: blur(12px);
    position: relative;
    overflow: hidden;
}
.cta-card::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, rgba(124,58,237,0.12) 0%, transparent 70%);
    pointer-events: none;
}
.cta-card h2 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1.6rem;
    position: relative;
}
.cta-card h2 span {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.cta-card p {
    font-size: 1.65rem;
    color: var(--muted);
    line-height: 1.75;
    margin-bottom: 3.6rem;
    position: relative;
}
.cta-btns {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.6rem;
    flex-wrap: wrap;
    position: relative;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.4rem 3rem;
    background: var(--grad);
    border-radius: 100px;
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
    transition: all 0.35s var(--ease);
    box-shadow: 0 4px 24px rgba(124,58,237,0.4);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(124,58,237,0.6);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.4rem 3rem;
    background: transparent;
    border: 1.5px solid rgba(124,58,237,0.5);
    border-radius: 100px;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    transition: all 0.35s var(--ease);
}
.btn-outline:hover {
    background: rgba(124,58,237,0.12);
    border-color: var(--purple);
    transform: translateY(-3px);
}

/* ══════════════════════
   FOOTER
══════════════════════ */
.svc-footer {
    position: relative; z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2.4rem 9%;
    background: var(--bg);
    border-top: 1px solid var(--border);
}
.svc-footer p {
    font-size: 1.4rem;
    color: var(--muted);
}
.svc-footer p span {
    background: var(--grad);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
}
.footer-top {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4.2rem; height: 4.2rem;
    background: var(--grad);
    border-radius: 12px;
    color: #fff;
    font-size: 1.8rem;
    transition: all 0.35s var(--ease);
}
.footer-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--glow);
}

/* ══════════════════════
   KEYFRAMES
══════════════════════ */
@keyframes fadeDown {
    from { opacity:0; transform:translateY(-20px); }
    to   { opacity:1; transform:translateY(0); }
}
@keyframes fadeUp {
    from { opacity:0; transform:translateY(28px); }
    to   { opacity:1; transform:translateY(0); }
}

/* ══════════════════════
   RESPONSIVE
══════════════════════ */
@media (max-width: 1100px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 991px) {
    .header { padding: 1.6rem 4%; }
    .hero, .services-section, .process-section, .cta-section { padding-left: 4%; padding-right: 4%; }
    .process-steps { gap: 1rem; }
    .step-arrow { padding-top: 2.5rem; }
}
@media (max-width: 768px) {
    html { font-size: 55%; }
    .hero h1 { font-size: 5.2rem; }
    .services-grid { grid-template-columns: 1fr; }
    .process-steps { flex-direction: column; align-items: center; }
    .step { max-width: 100%; width: 100%; }
    .step-arrow { transform: rotate(90deg); padding-top: 0; }
    .cta-card { padding: 4rem 2.8rem; }
    .cta-card h2 { font-size: 3.2rem; }
    .svc-footer { flex-direction: column; gap: 1.4rem; text-align: center; }
}
@media (max-width: 480px) {
    html { font-size: 50%; }
    .hero h1 { font-size: 4.4rem; }
    .section-title { font-size: 3.6rem; }
    .back-btn span { display: none; }
}